Because if you rename the knife, it will have a word.

More people tend to rename their favorite knives. Name tags (commonly known as name change cards) are one-time items. Each name change card can only be used once. If the same weapon is renamed again, you still need to purchase the name change card again. It is worth noting that the current name change card already supports Chinese input, but it will only be displayed on the weapon name on the right HUD. The label on the weapon can only be displayed in English (if there are banned words in English, the label will also be marked with * Replacement)

At the same time, weapons whose names are marked with StatTrak are dark gold weapons. Unique gold weapons will record the number of kills using this weapon. Of course, if the Unique Gold weapon is sold, the counter will automatically clear to zero. So the Dark Gold Knife will have a counter.